package com.by.mapper;

import com.by.bean.Customer;
import com.by.common.crud.BaseMapper;
import org.apache.ibatis.annotations.Mapper;

import java.io.Serializable;

@Mapper
public interface CustomerMapper extends BaseMapper<Customer> {
    /**
     * 根据客户id 查询对相应的userID
     * @param id
     * @return
     */
    int queryUserId(Serializable id);
}
